Danfoss PVG 32 Actuator | 157B4911 157B4912 157B4913 157B4914 | 157B4921 157B4922 | Proportional Valve Module

Danfoss PVE Series Proportional Valve Electronic Actuators

Product Overview:

The Danfoss 157B series electronic actuators serve as the intelligent core of the PVG 32 proportional valve system. This page features high-performance digital actuation modules: 157B4911, 157B4912, 157B4913, 157B4914, and 157B4921, 157B4922. Utilizing advanced LVDT displacement sensor technology, these modules provide real-time spool position monitoring and closed-loop correction. This ensures exceptional linearity and ultra-low hysteresis for hydraulic systems in complex operations. These modules are the premier choice for aerial lifts, cranes, and agricultural machinery requiring master-level precision.

Key Technical Advantages:

• Precision Closed-Loop Feedback: Integrated electrical position feedback minimizes hysteresis to an ultra-low range ($< 0.5\%$), guaranteeing absolute command execution accuracy.

• Active Diagnostics: Integrated LED status indicators provide real-time monitoring of signal loss, voltage anomalies, or spool sticking, enhancing overall machine safety.

• High Dynamic Response: Optimized internal drive logic ensures superior frequency response, even under high-frequency switching and demanding duty cycles.

• Environmental Resilience: Compliant with the latest 2026 industrial protection standards, featuring IP67 sealing to resist salt spray, vibration, and extreme temperatures in harsh outdoor environments.

• Plug-and-Play Integration: Standardized electrical interfaces (e.g., Deutsch or AMP) with factory-calibrated zero points significantly simplify field installation and long-term maintenance.

Detailed Specifications & Model Matrix:

• Core Model Matrix:

  • 157B4911 / 157B4912: High-precision proportional modules, typically utilized in crane control where fine metering is critical.

  • 157B4913 / 157B4914: Actuation modules optimized for specific flow curves, supporting various analog signal inputs.

  • 157B4921 / 157B4922: Digital series expansion models with enhanced Electromagnetic Compatibility (EMC) performance.

• Technical Specifications:

  • Supply Voltage: 11V – 32V DC (Compatible with both 12V and 24V vehicle systems).

  • Command Signal: Ratiometric voltage or standard analog signals.

  • Ingress Protection: IP67.

  • Repeatability: $\le 0.25\%$.